%0 Journal Article
%A R. S. Sadyrkhanov
%T The openness of mappings with singularities in Banach spaces
%J Doklady Akademii Nauk
%D 1988
%P 808-810
%V 300
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_300_4_a8/
%G ru
%F DAN_1988_300_4_a8